The issue with attempting 100% spam prevention is that the false
positive rate will go up. So if you catch 100% of the spam, but lose 1%
of your email to false positives, is that a good thing?

That being said, a let through rate of 3-6 spam/user/day is overly high.

Thanks,
Erik

-----Original Message-----
From: listbounce (at) securityfocus (dot) com [email concealed] [mailto:listbounce (at) securityfocus (dot) com [email concealed]]
On Behalf Of Steve Sirag
Sent: Thursday, April 12, 2012 12:05 PM
To: security-basics (at) securityfocus (dot) com [email concealed]
Subject: Spam prevention vs mitigation

Hi,

My bosses are demanding 100% spam prevention, and I'd like to find some
industry papers, articles, etc that explains why that's not advisable
(if
even possible). My understanding is that spam mitigation is the goal,
keeping spam down to where it's not a distraction from business. Our
current spam level is roughly 3-6 spams received per user per day. That
seems manageable to me, but I'd like the extra ammunition going into the
meeting.

Can anyone help?

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